What positioning line must be perpendicular to the front edge of the image receptor during a PA or PA Caldwell skull?
Answer: The OML (orbitomeatal line)
“Anatomy” Question of the Day 4/25
April 25th, 2010 by RadiologyTech No comments »Which lung has 2 lobes and which lung has 3 lobes? Also which lung usually is usually shorter?
Answer: The right lung has 3 lobes
While the left lobe has 2. Because of the liver the right lung is generally shorter than the left.
“Anatomy” Question of the Day 4/24
April 24th, 2010 by RadiologyTech No comments »How many bones make up the calvara
“Anatomy” Question of the Day 4/23
April 23rd, 2010 by RadiologyTech No comments »How many pairs of ribs are true ribs and how many pairs of ribs are false ribs? Also which pairs of ribs are often referred to as floating ribs?
Answer pairs 1-7 are true ribs, pairs 8-12 are false ribs because they do not directly connect to the sternum. The 11th and 12th pairs are also called floating ribs because they have no anterior attachment.
“Fluoroscopy” Question of the Day 4/22
April 23rd, 2010 by RadiologyTech No comments »What flexure do you see during a BE in the RAO position?
Answer: AO positions show the downside flexure. In the RAO it would be hepatic flexure
“Fluoroscopy” Question of the Day 4/21
April 21st, 2010 by RadiologyTech No comments »Which sections of the large intestine are anterior and which sections are posterior.
Answer: Anterior portions are transverse and sigmoid. The posterior sections are the ascending and decending portion.
“Film-Screen” Question of the Day 4/18
April 18th, 2010 by RadiologyTech No comments »If you increase the packing density of silver halide crystals what does it do to density and resolution?
Answer: It will increase the density of the radiograph and also increase resolution because the silver halide crystals must be smaller to increase packing density.
“Physics” Question of the Day 4/17
April 17th, 2010 by RadiologyTech No comments »What are the five interactions with matter that can occur? Also out of the five only 3 are applied to radiography can you name them?
Answer:
1) Classical
2) Compton
3) Photoelectric
4) Pair Production
5) Photodisentegration
Numbers 1-3 are the only ones that are useable in radiography. The energy required for 4 and 5 is much to great to be used.
“Physics” Question of the Day 4/12
April 13th, 2010 by RadiologyTech No comments »What is the anode target primarily made of and why?
Answer: The target is made with tungsten, the three main reasons why it is used is because, 1 it has a high melting point, 2 it dissapates heat almost as effectiently as copper, and 3 because it has a high atomic number it makes effecient x-rays.
“Physics” Question of the Day 4/10
April 10th, 2010 by RadiologyTech No comments »X-Rays exhibit a phenomenon known as wave-particle duality, what does this mean?
Answer: Wave-particle duality means the photons exhibit behaviors of both waves and particles. However X-rays do act more like particles than waves.
